In general, polar solvents dissolve polar solutes, and nonpolar solvents dissolve nonpolar solutes. As water molecules are polar, polar molecules dissolves in water.
Ozone layer depletion is one of the most serious problems faced by our planet earth. Substances that Deplete the Ozone Layer (ODS) emission are responsible for ultraviolet radiations from the sun break them to release chlorine (from CFCs) and bromine (from methyl bromide and halons).